tdb.dk

📜 Historical scan 2026-08-16 16:37:24 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tdb.dk is a .dk domain served by 4 nameservers (ns1.eurodns.com, ns2.eurodns.com, ns3.eurodns.com and 1 more). It was registered on 19 August 1993 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by smtpsrv01.teledanmark.dk, smtpsrv02.teledanmark.dk. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

4 records 164ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.eurodns.com	199.167.66.107 2610:1c8:b002::107	ns1.eurodns.com ns1.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC
ns2.eurodns.com	104.37.178.107 2610:1c8:b001::107	ns2.eurodns.com ns2.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC
ns3.eurodns.com	199.167.66.108 2610:1c8:b002::108	ns3.eurodns.com ns3.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC
ns4.eurodns.com	104.37.178.108 2610:1c8:b001::108	ns4.eurodns.com ns4.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC

🌍 A Records#

🌍

No A records found

📧 MX Records#

2 records 159ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	21600s	smtpsrv01.teledanmark.dk	—	—	—
10	21600s	smtpsrv02.teledanmark.dk	—	—	—

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-13 10:55:41

www	Exists, no address
www vs bare domain	Neither resolves tdb.dk: no address www.tdb.dk: no address
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

302ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

0ms

Field	Value
Serial	2026011538
Primary NS (MNAME)	ns1.eurodns.com
Responsible (RNAME)	hostmaster@eurodns.com
Refresh	43200s
Retry	7200s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-11 06:07:07

Field	Value
Registrar	Eurodns S.A
Registered	1993-08-19
Expires	2027-09-30 (346d)

📋 WHOIS#

⏱️ Lookup Timing#

164ms

160ms

159ms

AAAA

192ms

TXT

425ms

CAA

190ms

HTTPS

170ms

TLSA

114ms

SOA

0ms

MTA-STS

214ms

DNSSEC

302ms

SRV

239ms

Total

1431ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 10:55:41	501ms	4 NS 0 A 2 MX	🔒 Secure
2026-10-11 05:38:42	602ms	4 NS 0 A 2 MX	🔒 Secure
2026-09-25 17:47:44	651ms	4 NS 0 A 2 MX	🔒 Secure
2026-09-24 17:31:45	650ms	4 NS 0 A 2 MX	🔒 Secure
2026-09-23 16:33:16	3074ms	4 NS 0 A 2 MX	🔒 Secure
2026-09-08 10:34:30	553ms	4 NS 0 A 2 MX	🔒 Secure
2026-08-18 23:36:15	8792ms	4 NS 0 A 2 MX	🔒 Secure
2026-08-16 16:37:24 shown	1431ms	4 NS 0 A 2 MX	🔒 Secure
2026-07-31 23:47:34	726ms	4 NS 0 A 2 MX	🔒 Secure
2026-07-12 12:28:11	2776ms	4 NS 0 A 2 MX	🔒 Secure
2026-07-11 09:42:30	9690ms	4 NS 0 A 2 MX	🔒 Secure
2026-06-26 11:52:13	2001ms	4 NS 0 A 2 MX	🔒 Secure
2026-06-25 23:05:38	684ms	4 NS 0 A 2 MX	🔒 Secure
2026-06-17 15:48:52	2548ms	4 NS 0 A 2 MX	🔒 Secure